
Baltimore Snout
hypena baltimoralis
The Baltimore Snout (Hypena baltimoralis) is a fascinating, small-to-medium-sized moth native to the deciduous forests of eastern North America. Named for its elongated, snout-like mouthparts (palpi) that extend prominently from its head, this species is a master of camouflage. When at rest among leaf litter or tree bark, its cryptic patterns allow it to blend seamlessly into its surroundings, protecting it from daytime predators. While it may easily go unnoticed by the casual observer, the Baltimore Snout plays a quiet but vital role in its ecosystem. Its caterpillars rely heavily on maple trees, processing foliage and converting it into a food source for local birds and predatory insects, while the adults serve as nighttime pollinators and prey for bats. For moth enthusiasts, spotting their distinctively scalloped, two-toned wings near a porch light is always a delightful find.
Lebensraum: Found primarily in deciduous woodlands, forest edges, and suburban habitats where their maple tree host plants are abundant.
Aussehen
The Baltimore Snout is characterized by its elongated, prominent labial palpi that project forward like a snout. It has a wingspan ranging from 2.6 to 3.2 centimeters. The forewings display a striking, contrasting pattern: the inner two-thirds are typically dark brown or purplish-black, bordered by a sharp, wavy, whitish line, while the outer third is a much lighter grayish-brown or tan. This disruptive coloration breaks up the moth's outline, mimicking a dead leaf or a piece of peeling bark. The hindwings are generally a uniform, plain grayish-brown.

Kategorie
InsektenSeltenheit
Common
Gefahr
1/5 · Sehr gering
Snaps
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Interessante Fakten
Despite its common name, the snout of the Baltimore Snout is not a nose, but rather a pair of highly developed mouthparts called labial palpi.
The Baltimore Snout is highly dependent on maples; where there are no maple trees, you are highly unlikely to ever find this moth.
They belong to a subfamily of moths often called snout moths, which includes dozens of species that all sport similarly impressive, elongated palpi.
When resting on a tree trunk, this moth angles its body and wings to perfectly mimic a curled, dead leaf that has stuck to the bark.
Besondere Fähigkeiten
Dead Leaf Mimicry
The contrasting, wavy patterns on its forewings and its habit of resting flat against surfaces allow it to perfectly camouflage as a dead leaf or bark.
Elongated Palpi
Its prominent, snout-like palpi are covered in sensory receptors that help it navigate, locate food sources, and detect chemical cues in the environment.
Evasive Flight
When disturbed by predators such as bats, the moth employs an erratic, zig-zagging flight pattern to quickly dive into the underbrush and escape.
Maße und Details
- Länge
- 1-2 cm
- Flügelspannweite
- 2-4 cm
- Gewicht
- 0.0001-0.0005 kg
- Lebenserwartung
- 0-1 Jahre
- Gelegegröße
- 50-200
- Brutzeit
- 5-10 Tage
Ernährung und Fütterung
Caterpillars feed exclusively on the foliage of maple trees, while adult moths consume flower nectar and tree sap.
Altersunterschiede: Larvae are leaf-eating herbivores, whereas adults transition to a liquid diet of nectar and sap.
Hauptnahrung
- Red Maple leaves
- Silver Maple leaves
- Flower nectar
- Tree sap
Nahrungssuche
- Foraging
Ökologische Zusammenhänge
Red Maple
Acer rubrum
Provides a crucial larval food source for the moth's caterpillars.
Big Brown Bat
Eptesicus fuscus
Hunts and consumes adult Baltimore Snouts during the night.
Trichogramma Wasp
Trichogramma minutum
Parasitizes the eggs of the Baltimore Snout, preventing them from hatching.
Merkmale
Für dieses Objekt sind noch keine Merkmal-Badges vergeben.
Auch bekannt als
Noch keine Alternativnamen vorhanden.
Sammlungen
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Sicherheit
Gefahr
1/5 · Sehr gering
Noch keine besonderen Sicherheitshinweise.
Häufig gestellte Fragen
Wie identifiziert man Baltimore Snout?
Der einfachste Weg, Baltimore Snout zu bestimmen, ist die Verwendung der Naturführer-App Snappit.
Was ist der/die/das länge von Baltimore Snout?
1-2 cm
Was ist der/die/das flügelspannweite von Baltimore Snout?
2-4 cm
Was ist der/die/das gewicht von Baltimore Snout?
0.0001-0.0005 kg
Was ist der/die/das lebenserwartung von Baltimore Snout?
0-1 Jahre
Was frisst Baltimore Snout?
Caterpillars feed exclusively on the foliage of maple trees, while adult moths consume flower nectar and tree sap.
Wo findet man Baltimore Snout normalerweise?
Found primarily in deciduous woodlands, forest edges, and suburban habitats where their maple tree host plants are abundant.
Wie jagt Baltimore Snout?
Foraging
Snap-Karte
Zoome hinein, um Cluster aufzulösen und zu sehen, wo dieses Objekt fotografiert wurde.
Neueste Snaps
Neueste Snaps erscheinen hier, wenn neue Beobachtungen hinzukommen.
Wo zu sehen

Pennsylvania, US
Buchanan State Forest
Hier kann man sehen Hausmutter und östliche Schwarze Holzameise.
Führer anzeigen →

Connecticut, US
Pines Bridge Historic District
Hier kann man sehen Asiatischer Marienkäfer und Baltimore Snout.
Führer anzeigen →

Connecticut, US
South Coventry Historic District
Hier kann man sehen Rotkehlhüttensänger und Polyphemus-Spinner.
Führer anzeigen →













